MCA 121 VLT Ether Net IP
“
Product Information
Specifications
- Model: MG90J502
- Interface: EtherNet/IP
- Designed for: Communication with systems compliant with CIP
EtherNet/IP standard
Product Usage Instructions
Safety
Before using the product, familiarize yourself with the safety
precautions outlined in the manual. Only qualified personnel should
handle installation and maintenance.
Installation
Follow these steps for proper installation:
- Ensure safety instructions are followed.
- Properly route cables and ensure grounding.
- Mount the product securely following the provided
guidelines. - Complete electrical installation as per the manual.
- Reassemble the cover and apply power.
- Check network cabling to ensure proper connection.
Troubleshooting
If you encounter issues, refer to the troubleshooting section of
the manual. It provides guidance on warnings, alarms, LED status,
and communication problems with the frequency converter.
FAQ
Q: What should I do if the product shows a major unrecoverable
fail?
A: In case of a major unrecoverable fail, contact a qualified
technician for assistance. Do not attempt to repair the product
yourself.
Q: Can I dispose of the product with domestic waste?
A: No, do not dispose of equipment containing electrical
components with domestic waste. Follow local regulations for proper
disposal methods.
“`
MAKING MODERN LIVING POSSIBLE
Installation Guide VLT® EtherNet/IP MCA 121
VLT® HVAC Drive FC 102 · VLT® AQUA Drive FC 202 VLT® AutomationDrive FC 301/302
www.danfoss.com/drives
Contents
Installation Guide
Contents
1 Introduction
2
1.1 Purpose of the Manual
2
1.2 Additional Resources
2
1.3 Product Overview
2
1.4 Approvals and Certifications
2
1.5 Disposal
3
1.6 Symbols, Abbreviations and Conventions
3
2 Safety
4
2.1 Safety Symbols
4
2.2 Qualified Personnel
4
2.3 Safety Precautions
4
3 Installation
6
3.1 Safety Instructions
6
3.2 EMC-compliant Installation
6
3.3 Grounding
6
3.4 Cable Routing
6
3.5 Topology
7
3.6 Mounting
8
3.7 Electrical Installation
10
3.8 Reassembling the Cover
12
3.9 Applying Power
12
3.10 Checking Network Cabling
12
4 Troubleshooting
13
4.1 Warnings and Alarms
13
4.2 Troubleshooting
13
4.2.1 LED Status
13
4.2.2 No Communication with the Frequency Converter
14
Index
15
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
1
Introduction
1 1 1 Introduction
VLT® EtherNet/IP MCA 121
1.1 Purpose of the Manual
This installation guide provides information for the quick installation of a VLT® EtherNet/IP MCA 121 interface in a VLT® frequency converter. The installation guide is intended for use by qualified personnel. Users are assumed to be familiar with:
· VLT® frequency converter. · EtherNet/IP technology. · PC or PLC that is used as a master in the system.
Read the instructions before installation and ensure that the instructions for safe installation are observed.
VLT® is a registered trademark.
1.2 Additional Resources
Resources available for the frequency converters and optional equipment:
· The relevant frequency converter Operating
Instructions provide the necessary information for getting the frequency converter up and running.
· The relevant frequency converter Design Guide
provides detailed information about capabilities and functionality to design motor control systems.
· The relevant frequency converter Programming
Guide provides greater detail on working with parameters and many application examples.
· The VLT® EtherNet/IP MCA 121 Installation Guide
provides information about installing the EtherNet/IP and troubleshooting.
· The VLT® EtherNet/IP MCA 121 Programming Guide
provides information about configuring the system, controlling the frequency converter, parameter access, programming, troubleshooting, as well as some typical application examples.
Supplementary publications and manuals are available from Danfoss. See www.danfoss.com/BusinessAreas/DrivesSolutions/Documentations/VLT+Technical+Documentation.htm for listings.
1.3 Product Overview
1.3.1 Intended Use
This installation guide relates to EtherNet/IP interface. Ordering number:
· 130B1119 (uncoated) · 130B1219 (conformal coated)
The EtherNet/IP interface is designed to communicate with any system complying with the CIP EtherNet/IP standard. EtherNet/IP provides users with the network tools to deploy standard Ethernet technology for manufacturing applications while enabling Internet and enterprise connectivity.
VLT® EtherNet/IP MCA 121 is intended for use with:
· VLT® HVAC Drive FC 102 · VLT® AQUA Drive FC 202 · VLT® AutomationDrive FC 301 · VLT® AutomationDrive FC 302
1.3.2 Items Supplied
When the fieldbus option is not factory mounted, the following items are supplied:
· Fieldbus option · LCP cradle · Front covers (in various sizes) · Stickers · Accessories bag · Strain relief (only for A1 and A2 enclosures) · Installation Guide
1.4 Approvals and Certifications
More approvals and certifications are available. For more information, contact a Danfoss local partner.
2
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
Introduction
Installation Guide
1.5 Disposal
Do not dispose of equipment containing electrical components together with domestic waste. Collect it separately in accordance with local and currently valid legislation.
1.6 Symbols, Abbreviations and Conventions
Abbreviation CIPTM DHCP EIP EMC IP LCP LED MAR MAU PC PLC TCP
Definition Common industrial protocol Dynamic host configuration protocol EtherNet/IP Electromagnetic compatibility Internet protocol Local control panel Light emitting diode Major recoverable fail Major unrecoverable fail Personal computer Programmable logic controller Transmission control protocol
Table 1.1 Symbols and Abbreviations
Conventions Numbered lists indicate procedures. Bullet lists indicate other information and description of illustrations. Italicised text indicates:
· Cross reference · Link · Parameter name
11
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
3
Safety
VLT® EtherNet/IP MCA 121
22
2 Safety
2.1 Safety Symbols
The following symbols are used in this document:
WARNING
Indicates a potentially hazardous situation that could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that could result in minor or moderate injury. It can also be used to alert against unsafe practices.
NOTICE
Indicates important information, including situations that can result in damage to equipment or property.
2.2 Qualified Personnel
Correct and reliable transport, storage, installation, operation, and maintenance are required for the troublefree and safe operation of the frequency converter. Only qualified personnel are allowed to install or operate this equipment.
Qualified personnel are defined as trained staff, who are authorised to install, commission, and maintain equipment, systems, and circuits in accordance with pertinent laws and regulations. Additionally, the qualified personnel must be familiar with the instructions and safety measures described in this installation guide.
2.3 Safety Precautions
WARNING
HIGH VOLTAGE
Frequency converters contain high voltage when connected to AC mains input, DC supply, or load sharing. Failure to perform installation, start-up, and maintenance by qualified personnel can result in death or serious injury.
· Installation, start-up, and maintenance must be
performed by qualified personnel only.
WARNING
UNINTENDED START
When the frequency converter is connected to AC mains, DC power supply, or load sharing, the motor may start at any time. Unintended start during programming, service or repair work can result in death, serious injury, or property damage. The motor can start by means of an external switch, a serial bus command, an input reference signal from the LCP or LOP, via remote operation using MCT 10 software, or after a cleared fault condition. To prevent unintended motor start:
· Disconnect the frequency converter from the
mains.
· Press [Off/Reset] on the LCP before
programming parameters.
· The frequency converter, motor, and any driven
equipment must be fully wired and assembled when the frequency converter is connected to AC mains, DC power supply, or load sharing.
WARNING
DISCHARGE TIME
The frequency converter contains DC-link capacitors that can remain charged even when the frequency converter is not powered. Failure to wait the specified time after power has been removed before performing service or repair work, can result in death or serious injury.
· Stop the motor. · Disconnect the AC mains and remote DC-link
power supplies, including battery back-ups, UPS, and DC-link connections to other frequency converters.
· Disconnect or lock the PM motor. · Wait for the capacitors to discharge fully before
performing any service or repair work. The duration of waiting time is specified in the relevant frequency converter operating instructions,Chapter 2 Safety.
4
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
Safety
Installation Guide
WARNING
LEAKAGE CURRENT HAZARD
Leakage currents exceed 3.5 mA. Failure to ground the frequency converter properly can result in death or serious injury.
· Ensure the correct grounding of the equipment
by a certified electrical installer.
WARNING
EQUIPMENT HAZARD
Contact with rotating shafts and electrical equipment can result in death or serious injury.
· Ensure that only trained and qualified
personnel perform installation, start up, and maintenance.
· Ensure that electrical work conforms to national
and local electrical codes.
· Follow the procedures in this document.
CAUTION
INTERNAL FAILURE HAZARD
An internal failure in the frequency converter can result in serious injury, when the frequency converter is not properly closed.
· Ensure that all safety covers are in place and
securely fastened before applying power.
22
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
5
Installation
VLT® EtherNet/IP MCA 121
3 Installation
33
3.1 Safety Instructions
See chapter 2 Safety for general safety instructions.
3.2 EMC-compliant Installation
To obtain an EMC-compliant installation, follow the instructions provided in the relevant frequency converter Operating Instructions and Design Guide. Refer to the fieldbus master manual from the PLC supplier for further installation guidelines.
3.3 Grounding
· Ensure that all stations connected to the fieldbus
network are connected to the same ground potential. When there are long distances between the stations in a fieldbus network, connect the individual station to the same ground potential. Install equalising cables between the system components.
· Establish a grounding connection with low HF
impedance, for example by mounting the frequency converter on a conductive back plate.
· Keep the ground wire connections as short as
possible.
· Electrical contact between the cable screen and
the frequency converter enclosure or ground is not allowed in Ethernet installations. The RJ45 connector of the Ethernet interface provides an electrical path for the electrical interference to ground.
· Use high-strand wire to reduce electrical
interference.
3.4 Cable Routing
NOTICE
EMC INTERFERENCE
Use screened cables for motor and control wiring, and separate cables for fieldbus communication, motor wiring, and brake resistor. Failure to isolate fieldbus communication, motor, and brake resistor cables can result in unintended behaviour or reduced performance. Minimum 200 mm (7.9 in) clearance between power, motor, and control cables is required. For power sizes above 315 kW, it is recommended to increase the minimum distance of 500 mm (20 in).
NOTICE
When the fieldbus cable crosses a motor cable or a brake resistor cable, ensure that the cables cross at an angle of 90°.
200mm
130BD866.10
1
2
1
Ethernet cable
2
90° crossing
Illustration 3.1 Cable Routing
6
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
Installation
Installation Guide
130BC929.10 130BC930.10
3.5 Topology
The EtherNet/IP MCA 121 module features a built-in Ethernet switch with 2 Ethernet RJ45/M12 connectors. The module enables the connection of several EtherNet/IP options in a line topology as an alternative to a traditional star topology.
The 2 ports are equal. If only 1 connector is used, either port can be used.
Star topology
33
Illustration 3.3 Line Topology
Illustration 3.2 Star Topology
Line topology In many installations, line topology enables simpler cabling and the use of smaller or fewer Ethernet switches. The EtherNet/IP interface supports line topology with its 2 ports and built-in Ethernet switch. When line topology is used, take precautions to avoid time out in the PLC when more than 8 frequency converters are installed in series. Each frequency converter in the network adds a small delay to the communication due to the builtin Ethernet switch. When the update time is too short, the delay can lead to a time out in the PLC. Set the update time as shown in Table 3.1. The numbers given are typical values and can vary from installation to installation.
Numbers of frequency converters Minimum update time [ms] connected in series
<8
2
8-16
4
16-32
8
>32
not recommended
Table 3.1 Minimum Update Time
NOTICE
In line topology, activate the built-in switch by powering all frequency converters, either by mains or a 24 V DC option card.
NOTICE
Installing frequency converters of different power sizes in line topology may result in unwanted power-off behaviour when using control word timeout (8-02 Control Word Source to 8-06 Reset Control Word Timeout). It is recommended to mount the frequency converters with the longest discharge time first in the line topology. In normal operation, the frequency converters with bigger power sizes have a longer discharge time. Ring/redundant line topology
Illustration 3.4 Ring/Redundant Line Topology
130BD803.10
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
7
130BC927.10
130BD908.10
Installation
VLT® EtherNet/IP MCA 121
33
Ring topology can increase the availability of an Ethernet network.
For ring topology:
· Install a special switch (redundancy manager)
between the PLC and the frequency converters.
· Configure the redundancy manager switch to
clearly define the ports that connect to the ring.
When the ring operates, the main redundancy manager sends test frames into the ring to detect. If the switch detects a fault in the ring, it reconfigures the ring into 2 lines instead. The transition time from 1 ring into 2 lines is up to 500 ms depending on the components installed in the ring. Set the timing of the PLC to ensure that the transition time does not lead to a time-out fault.
NOTICE
For ring/redundant line topology, ensure the redundancy manager switch supports the detection of loss of line topology. The switch inside the EtherNet/IP interface does not support this detection.
Recommended design rules
· Pay special attention to active network
components when designing an Ethernet network.
· For line topology, a small delay is added with
each additional switch in the line. For more information, see Table 3.1.
· Do not connect more than 32 frequency
converters in series. Exceeding this limit can result in unstable or faulty communication.
3.6 Mounting
1. Check whether the fieldbus option is already mounted in the frequency converter. If already mounted, go to step 6.
2. Remove the LCP or blind cover from the frequency converter.
3. Use a screwdriver to remove the front cover and the LCP cradle.
4. Mount the fieldbus option. Mount the option with the Ethernet Port facing up for top cable entry (see Illustration 3.7), or with the Ethernet Port facing down for bottom cable entry (see Illustration 3.8).
5. Remove the knock-out plate from the new LCP cradle.
6. Mount the new LCP cradle.
3
2
1
Illustration 3.5 Recommended Design Rules
1 LCP 2 LCP cradle 3 Fieldbus option
Illustration 3.6 Exploded View
8
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
Installation
Installation Guide
130BD909.10 130BD925.10
33
130BD910.10
Illustration 3.7 Option Mounted with the Ethernet Port Facing Up (A1-A3 Enclosures)
Illustration 3.8 Option Mounted with the Ethernet Port Facing Down (A4-A5, B, C, D, E, F Enclosures)
M12 PIN# 1
RJ 45
4
2
3
8. . . . . .1
Signal RX + TX + RX TX –
M12 PIN # 1 2 3 4
RJ45 1 3 2 4
Illustration 3.9 EtherNet/IP Connectors
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
9
130BT797.10
Installation
VLT® EtherNet/IP MCA 121
33
3.7 Electrical Installation
3.7.1 Cabling Requirements
· Choose cables suitable for Ethernet data
transmission. Normally CAT5e and CAT6 cables are recommended for industrial applications.
· Both types are available as unshielded twisted
pair and shielded twisted pair. Screened cables are recommended for use in industrial environments and with frequency converters.
· A maximum cable length of 100 m is allowed
between the switches.
· Use optical fibres for gapping longer distances
and providing galvanic isolation.
3.7.2 Wiring Procedures
Wiring procedure for enclosure types A1-A3
1. Mount the pre-configured cable wires with the connectors on the fieldbus option. For A1 and A2 enclosures, mount the supplied strain relief on top of the frequency converter with 2 screws, as shown in Illustration 3.10. For cable specifications, refer to chapter 3.7.1 Cabling Requirements.
2. Position the cable between the spring loaded metal clamps to establish mechanical fixation and electrical contact between the cable and ground.
EtMMMheSSSrMESN12tWCehte.AvPreN1orMr2e.t11tA/ICP-00-1B-0E8t-h01Oe03rp-N00teiB0ot-1n2P12Ao1r9t2
Illustration 3.10 Wiring for Enclosure Types A1-A3
Wiring procedure for enclosure types A4-A5, B1-B4, and C1-C4
1. Push the cable through the cable glands. 2. Mount the pre-configured cable wires with the
connectors on the fieldbus option. For cable specifications, refer to chapter 3.7.1 Cabling Requirements. 3. Fix the cable to the metal base plate using the springs, see Illustration 3.11. 4. Tighten the cable glands securely.
10
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
130BD924.10
130BD926.10
Installation
Installation Guide
Wiring procedure for enclosure types D, E, and F
1. Mount the pre-configured cable wires with the connectors on the fieldbus option. For cable specifications, refer to chapter 3.7.1 Cabling Requirements.
2. Fix the cable to the metal base plate using the springs, see Illustration 3.12.
3. Tie down the cable and route it with other control wires inside the unit, see Illustration 3.12.
33
Illustration 3.11 Wiring for Enclosure Types A4-A5, B1-B4, and C1-C4
Illustration 3.12 Wiring for Enclosure Types D, E, and F
NOTICE
Do not strip the Ethernet cable. Do not ground it via the strain relief plate. Ground the screened Ethernet cables through the RJ45 connector on the EtherNet/IP interface.
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
11
Installation
VLT® EtherNet/IP MCA 121
33
3.8 Reassembling the Cover
1. Mount the new front cover and the LCP.
2. Attach the sticker with the correct product name to the front cover.
3.9 Applying Power
Follow the instructions in the frequency converter Operating Instructions to commission the frequency converter. The frequency converter automatically detects the EtherNet/IP interface. A new parameter group (Group 12) appears.
3.10 Checking Network Cabling
NOTICE
After installing the EtherNet/IP interface, be aware of the following parameter settings: 8-01 Control Site: [2] Control word only or [0] Digital and control word 8-02 Control Word Source: [3] Option A
12
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
Troubleshooting
Installation Guide
4 Troubleshooting
4.1 Warnings and Alarms
NOTICE
Refer to the relevant frequency converter Operating Instructions for an overview of warning and alarm types, and for the full list of warnings and alarms.
Ethernet Port 1
Ethernet Port 2
Alarm word and warning word are shown in the display in Hex format. When there is more than 1 warning or alarm, the sum of all warnings or alarms is shown. Warning word and alarm word are displayed in 16-90 Alarm Word to 16-95 Ext. Status Word 2.
4.2 Troubleshooting
4.2.1 LED Status
The EtherNet/IP interface has 3 bi-coloured LEDs that allow fast and detailed diagnosis. Each LED is linked to its unique part of the EtherNet/IP interface, see Table 4.1.
MS LED NS LEDs
Ethernet Port 1
Ethernet Port 2
MCA 121 MS EtherNet/IP
Option A 130B1119
NS1
NS2
MAC: 00:1B:08:XX:XX:XX
SW. ver. 1.00
MAC address
Illustration 4.1 Overview of EtherNet/IP Interface
LED label MS
NS1
NS2
Description Module Status. Reflects the activity on the EtherNet/IP stack Network Status 1. Reflects the activity on Ethernet Port 1 Network Status 2. Reflects the activity on Ethernet Port 2
Table 4.1 LED Label
State
LED
Standby
Green:
Device operational
Green:
Major recoverable fault Major unrecoverable fault
Self test
Red: Red:
Red: Green:
Table 4.2 MS: Module Status
Flashing green Solid green Flashing red Solid red
Flashing red/ green
Description The device needs commissioning. The device is operational. The device has detected a recoverable fault (MAR). The device has detected an unrecoverable fault (MAU).
The EIP option is in self-test mode.
130BA895.11
44
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
13
Troubleshooting
VLT® EtherNet/IP MCA 121
44
State
LED
No connections
Green:
Connected
Green:
Connection time-out Red:
Duplicate IP
Red:
Self test
Red: Green
Table 4.3 NS1+NS2: Network Status (1 per Port)
4.2.2 No Communication with the Frequency Converter
Flashing green
Solid green
Flashing red Solid red
Flashing red/ green
Description There are no established CIP connections to the device. There is at least 1 established CIP connection to the device. 1 or more CIP connections have timed-out. The IP-address assigned to the device is already in use.
The EIP option is in self-test mode.
Check: Link status The status of the Ethernet link cannot be directly identified using the LEDs, if CIP connection is not established. Use 12-10 Link Status to verify presence of the link. Use 12-11 Link Duration to verify that the link is steady present. The parameter shows the duration of the present link, and is preset to 00:00:00:00 when the link is broken.
Check: Cabling In rare cases of cabling misconfiguration, the option may show the presence of a link but no communication is running. Exchange the cable if in doubt.
Check: IP address Verify that the option has a valid IP address (refer to 12-01 IP Address). When the option has identified a duplicate IP Address, NS LEDs lights steady red. When the option is set up for BOOTP or DHCP, verify that a BOOTP or DHCP server is connected in 12-04 DHCP Server. If no server is connected, the parameter shows: 000.000.000.000.
14
Danfoss A/S © 11/2014 All rights reserved.
MG90J502
Index
Installation Guide
Index
A
Abbreviations………………………………………………………………………………. 3 Additional resources…………………………………………………………………… 2 Alarms…………………………………………………………………………………………. 13 Applying power………………………………………………………………………… 12 Approvals……………………………………………………………………………………… 2
C
Cable routing……………………………………………………………………………….. 6 Cabling……………………………………………………………………………………….. 14 Cabling requirements………………………………………………………………. 10 Certifications………………………………………………………………………………… 2 Conventions…………………………………………………………………………………. 3
D
Discharge time…………………………………………………………………………….. 4
E
Electrical interference…………………………………………………………………. 6 EMC interference…………………………………………………………………………. 6 EMC-compliant installation……………………………………………………….. 6 Ethernet……………………………………………………………………………………… 14 Exploded view……………………………………………………………………………… 8
G
Grounding……………………………………………………………………………………. 6
N
Network cabling………………………………………………………………………… 12
Q
Qualified personnel…………………………………………………………………….. 4
R
Redundancy manager switch……………………………………………………. 8 Ring/redundant line topology………………………………………………….. 7
S
Safety…………………………………………………………………………………………….. 5 Screened cable………………………………………………………………………. 6, 10 Star topology……………………………………………………………………………….. 7 Symbols………………………………………………………………………………………… 3
T
Topology………………………………………………………………………………………. 7
U
Unintended start…………………………………………………………………………. 4
W
Warnings…………………………………………………………………………………….. 13 Wiring procedure……………………………………………………………………… 10
H
High voltage………………………………………………………………………………… 4
I
Intended use………………………………………………………………………………… 2 Items supplied……………………………………………………………………………… 2
L
Leakage current…………………………………………………………………………… 5 LED………………………………………………………………………………………………… 3 Line topology………………………………………………………………………………. 7 Load sharing………………………………………………………………………………… 4
M
Motor wiring………………………………………………………………………………… 6 Mounting……………………………………………………………………………………… 8
MG90J502
Danfoss A/S © 11/2014 All rights reserved.
15
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
Danfoss A/S Ulsnaes 1 DK-6300 Graasten www.danfoss.com/drives
130R0430
MG90J502
*MG90J502*
11/2014
Documents / Resources
![]() |
Danfoss MCA 121 VLT Ether Net IP [pdf] Installation Guide AN304840617560en-000501, MG90J502, MCA 121 VLT Ether Net IP, MCA 121, VLT Ether Net IP, Ether Net IP, Net IP |